Earthquakes
Tectonic Plates
Volcanoes
Vocabulary
Miscellaneous
100
based on measurements of the amplitude of a seismic wave.
What is the Richter Scale
100
The Continental Drift states how fast they have moved to their current location?
What is slowly?
100
Sticky thicker lava
What is rich in Silica?
100
seismic wave that causes particles of rock to vibrate in the same direction as the wave is moving
What is a primary wave?
100
A fossil plant that helps support theory of Pangaea.
What is Glossopteris?
200
Caused by earthquake motion on the ocean floor
What are Tsunamis?
200
the difference in this causes hot plastic like rock in the asthenosphere to rise
What is density?
200
Broad flat layers shape this volcano
What is a shield volcano?
200
this fault is caused by shear force.
What is a strike-slip fault?
200
This current inside Earth is believed to drive plate motion
What is Convection Current?
300
point located above an earthquake focus
What is the epicenter?
300
Mountain ranges are formed when these collide.
What are two continental plates?
300
Earth's thick, plastic like layer
What is asthenosphere?
300
The crust and upper mantle make up this
What is the lithosphere?
300
The alignment of iron materials in rocks when they are formed suggest that this has reversed itself many times.
What is the magnetic field
400
The point inside Earth where the first movement of an earthquake occurs and energy is released.
What is the focus?
400
The Great Rift Valley in Africa.
What is an example of a divergent boundary?
400
erupts violently, steep sided and composed of alternating layers of lava and tephra
What is a composite volcano?
400
an underwater mountain chain
What is the mid-ocean ridge.
400
This is formed when two Oceanic plates collide
What is a subduction zone?
500
measures the amount of structural and geological damage an earth quake causes.
What is a modified Mercalli scale?
500
These are the mountains formed by the collision of the Indo-Australian Plate and the Eurasian Plate.
What are the Himalaya Mountains?
500
molten material beneath Earth's crust rises to the surface.
What is sea floor spreading?
500
seismic wave that causes particles of rock to vibrate at right angles to the direction in which the wave is moving
What is a secondary wave (s-wave)
500
long cracks formed as a result of plates that are moving apart.
What is a rift
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